AlipaySDKNet 是 .NET 平台下用于对接支付宝支付的官方 SDK。Alipay SDK for .NET 让您不用复杂编程即可访问支付宝开放平台开放的各项能力,SDK可以自动帮您满足能力调用过程中所需的证书校验、加签、验签、发送HTTP请求等非功能性要求。其 Nuget 链接如下:https://www.nuget.org/packages/AlipaySDKNet.Standard
GitHub 开源地址为:https://github.com/alipay/alipay-sdk-net-all
Aop.Api.AopException: RSA签名遭遇异常,请检查私钥格式是否正确。Index was outside the bounds of the array.根据报错时的堆栈信息,该错误来自于方法:Aop.Api.Util.Asymmetric.RSAEncryptor.BuildRSAServiceProvider 。本着先从自己找原因的原则从头到尾检查了配置参数:PKCS1 格式是对的、私钥是对的、公钥是对的甚至点鼠标的手势也是对的。尝试了 Java 语言的 DEMO (其采用的是 PKCS8 格式),这套参数也是可以正常工作的那就说明密钥本身是没问题的。
private static RSACryptoServiceProvider BuildRSAServiceProvider(byte[] privateKey) { // 堆代码 duidaima.com var rsa = new RSACryptoServiceProvider(); rsa.ImportRSAPrivateKey(privateKey, out _); return rsa; }再次编译项目,已经可以正常下单使用了。
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for(int i = 0; i < 100; i++) { var rsa = RSA.Create(); var keys = rsa.ExportRSAPrivateKey(); try { BuildRSAServiceProvider(keys); } catch(Exception ex) { Console.WriteLine(Convert.ToBase64String(keys)); } }我的测试结果是:100 次生成大概会有 2-4 次遇到异常密钥。如果你遇到了和笔者一样的问题,并且通读本文解决了你的问题。那么恭喜你,你大概就是天选之子,下班后去买彩吧,说不定能中。